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Senior Certificate Examination SENIOR CERTIFICATE EXAMINATION GEOGRAPHY P1 2015 MARKS: 225 TIME: 3 hours This question paper consists of 14 pages and an annexure of 10 pages. Copyright reserved Please turn over Geography/P1 2 DBE/2015 SCE INSTRUCTIONS AND INFORMATION 1. This question paper consists of four questions. 2. Answer ANY THREE questions of 75 marks each. 3. All diagrams are included in the ANNEXURE. 4. Leave a line between subsections of questions answered. 5. Start EACH question at the top of a NEW page. 6. Number the answers correctly according to the numbering system used in this question paper. Number the answers in the CENTRE of the line. 7. Do NOT write in the margins of the ANSWER BOOK. 8. Illustrate your answers with labelled diagrams, where possible. 9. Write neatly and legibly. Copyright reserved Please turn over Geography/P1 3 DBE/2015 SCE SECTION A: CLIMATE, WEATHER AND GEOMORPHOLOGY Answer at least ONE question in this section. If you answer ONE question in SECTION A, you must answer TWO questions in SECTION B. QUESTION 1 1.1 Refer to FIGURE 1.1 showing a stage in the development of a mid-latitude cyclone. Choose the correct word(s) from those given in brackets. Write only the word(s) next to the question number (1.1.1–1.1.7) in the ANSWER BOOK. 1.1.1 A mid-latitude cyclone is also known as a (coastal low pressure/extratropical cyclone). 1.1.2 The mid-latitude cyclone in FIGURE 1.1 develops in the (Southern/Northern) Hemisphere. 1.1.3 A mid-latitude cyclone is a (high/low)-pressure system. 1.1.4 The stage of development shown in FIGURE 1.1 is the (wave/mature) stage. 1.1.5 A mid-latitude cyclone moves in a/an (easterly/westerly) direction. 1.1.6 A mid-latitude cyclone has a greater influence in South Africa in (summer/winter). 1.1.7 Line A is the (40°/60°) latitude. (7 x 1) (7) Copyright reserved Please turn over Geography/P1 4 DBE/2015 SCE 1.2 Choose a term from COLUMN B that matches the geomorphologic description in COLUMN A. Write only the letter (A–I) next to the question number (1.2.1–1.2.8) in the ANSWER BOOK, for example 1.2.9 J. COLUMN A COLUMN B 1.2.1 The lengthening of the stream at its A water table source due to the erosion of the watershed B dendritic 1.2.2 River in a humid climate where the C drainage pattern rainfall exceeds the evaporation rate D headward erosion 1.2.3 A section of a river drawn across the valley at right angles to the river E cross-profile 1.2.4 The drainage pattern that is formed by F trellis folded mountains G episodic river 1.2.5 Occurs when the position of a watershed changes due to a more H abstraction energetic stream that flows parallel to a less energetic stream I permanent river 1.2.6 A drainage pattern associated with a uniform underlying rock structure 1.2.7 The upper surface of the zone of saturation in the underlying rock structure 1.2.8 The arrangement of streams and rivers in a drainage basin (8 x 1) (8) 1.3 Study the synoptic weather map in FIGURE 1.3 to answer the questions below. 1.3.1 Identify high-pressure cell A. (1 x 1) (1) 1.3.2 Identify front B. (1 x 1) (1) 1.3.3 Give the air pressure at A. (1 x 1) (1) 1.3.4 What evidence in area C shows that strong winds are experienced? (1 x 2) (2) 1.3.5 Give a reason for the cloud cover to the east of the heat low pressure. (1 x 2) (2) 1.3.6 Besides the date, what evidence suggests that this is a summer synoptic weather map? (1 x 2) (2) 1.3.7 With reference to the South Indian (Mauritius) High Pressure situated east of Durban, explain the weather conditions experienced at Durban. (3 x 2) (6) Copyright reserved Please turn over Geography/P1 5 DBE/2015 SCE 1.4 FIGURE 1.4 shows the formation of a travelling disturbance known as a line thunderstorm. 1.4.1 Name the season during which line thunderstorms occur. (1 x 1) (1) 1.4.2 Name the TWO high-pressure systems responsible for the formation of line thunderstorms. (2 x 1) (2) 1.4.3 Name TWO weather conditions associated with line thunderstorms. (2 x 1) (2) 1.4.4 Give a reason for the shifting of the Kalahari High-Pressure Cell during a line thunderstorm. (1 x 2) (2) 1.4.5 In a paragraph of approximately EIGHT lines, evaluate the impact of line thunderstorms on farmers in the interior of South Africa. (4 x 2) (8) 1.5 Study FIGURE 1.5 which shows superimposed drainage (A) and antecedent drainage (B). 1.5.1 Distinguish between superimposed drainage and antecedent drainage. (2 x 1) (2) 1.5.2 Give ONE reason why superimposed drainage does not change its course. (1 x 2) (2) 1.5.3 Name ONE unique feature associated with the flow patterns of superimposed and antecedent drainage. (1 x 2) (2) 1.5.4 Identify the tectonic force associated with the uplift of the surface evident in diagram B. (1 x 2) (2) 1.5.5 Give the relationship between the rate of downcutting and tectonic uplift in antecedent drainage. (1 x 2) (2) 1.5.6 Explain why the illustrated landscapes are not suitable for human habitation. (2 x 2) (4) 1.6 Refer to FIGURE 1.6 showing a simplified sketch of river capture near the Pungwe Gorge in Mpumalanga. 1.6.1 Match the following features of river capture to letters A, B, C or D: (a) Misfit/Beheaded stream (1 x 1) (1) (b) Wind gap (1 x 1) (1) (c) Elbow of capture (1 x 1) (1) 1.6.2 State ONE characteristic of the misfit/beheaded stream. (1 x 1) (1) 1.6.3 Explain how river capture has led to the rejuvenation of the Pungwe River. (2 x 2) (4) 1.6.4 In a paragraph of approximately EIGHT lines, describe the negative impacts of river capture on people living along the banks of the Nyakupinga River. (4 x 2) (8) [75] Copyright reserved Please turn over Geography/P1 6 DBE/2015 SCE QUESTION 2 2.1 Indicate whether each of the statements below refers to a HIGH-PRESSURE CELL or a LOW-PRESSURE CELL. 2.1.1 The air pressure is increasing outwards. 2.1.2 Winds are converging inside the pressure cell. 2.1.3 The air circulation is clockwise in the Northern Hemisphere. 2.1.4 This pressure cell is also known as an anticyclone. 2.1.5 This pressure cell is associated with subsiding air. 2.1.6 This pressure cell is associated with a layer of air in which temperature increases with height. 2.1.7 Winds diverge out of this pressure cell. 2.1.8 This pressure cell is associated with stable weather conditions. (8 x 1) (8) 2.2 Refer to FIGURE 2.2 illustrating a river profile of a South African river from source to mouth. Various base levels of erosion are indicated along the river profile. 2.2.1 Identify the type of river profile in the diagram. 2.2.2 Does the river profile show A GRADED profile or an UNGRADED profile? 2.2.3 In which course of the river did the waterfall develop? 2.2.4 Will rejuvenation take place UPSTREAM or DOWNSTREAM of the knickpoint? 2.2.5 Name the permanent base level of erosion visible in FIGURE 2.2. 2.2.6 Name a temporary base level of erosion visible in FIGURE 2.2. 2.2.7 Will the waterfall move UPSTREAM or DOWNSTREAM? (7 x 1) (7) 2.3 Study FIGURE 2.3 which shows the path of a tropical cyclone in the Mozambique Channel. 2.3.1 In which general direction do tropical cyclones move? (1 x 1) (1) 2.3.2 The Coriolis Force is almost zero between 0° and 5° south and north of the equator. How will this impact on the point of origin of a tropical cyclone? (1 x 2) (2) Copyright reserved Please turn over Geography/P1 7 DBE/2015 SCE 2.3.3 Give the duration in days of the tropical cyclone in FIGURE 2.3. (1 x 2) (2) 2.3.4 Use the scale provided to determine the approximate distance of the path taken by this cyclone between 20 January and 31 January. (1 x 2) (2) 2.3.5 Why do tropical cyclones follow an erratic path? (2 x 2) (4) 2.3.6 A ship at A was caught in the dangerous semicircle of the tropical cyclone. Predict the consequences for this ship that was caught in the cyclone in terms of the safe delivery its cargo to the Durban harbour. (2 x 2) (4) 2.4 FIGURE 2.4 illustrates valley climates. 2.4.1 Identify wind A. (1 x 1) (1) 2.4.2 Explain why this wind occurs at night. (2 x 2) (4) 2.4.3 Give ONE reason why the layer of warm air at B is situated halfway up the slope. (1 x 2) (2) 2.4.4 In a paragraph of approximately EIGHT lines, explain the impact of the layer of warm air at B on human activities in the valley.
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